10
In order to cancel measuring average value, press ESC switch while
④，⑤.
④
３ｍｉｎ： ８００ ｐｐｍ
（Measuring average value.）
Press ＥＳＣ switch.
ＥＳＣＡＰＥ ？
Press ＥＳＣ switch, keep measuring average value. （to ⑤）
Press ＥＮＴＥＲ switch, cancel and return to the beginning (measuring mode). （to ①）
The previous data (peak value and average value) are kept.
(3) Measuring peak value
・
Peak value is memorized automatically from time to time, after power turning on and
starting measuring. Peak value can be shown by pressing ＡＶ／ＰＫ switch.
・
After measuring average value, the previous data of peak value is cleared.
(4) Showing peak value and average value
Peak value and average value can be shown in turn by pressing ＡＶ/ＰＫ switch while
measuring.
Return to measuring automatically in case of no operation of ＡＶ/ＰＫ switch for 20
seconds.
①
７８０ ｐｐｍ
（Gas concentration indication.）
Press ＡＶ/ＰＫ switch.
②
ＡＶＧ．： １０００ ｐｐｍ
（Average value indication.）
Press ＡＶ/ＰＫ switch.
③
ＰＥＡＫ： １２００ ｐｐｍ
（Peak value indication.）
Press ＡＶ/ＰＫ switch.
